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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #include "GrStencilAndCoverPathRenderer.h" | 9 #include "GrStencilAndCoverPathRenderer.h" |
10 #include "GrCaps.h" | 10 #include "GrCaps.h" |
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68 | 68 |
69 void GrStencilAndCoverPathRenderer::onStencilPath(const StencilPathArgs& args) { | 69 void GrStencilAndCoverPathRenderer::onStencilPath(const StencilPathArgs& args) { |
70 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), | 70 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), |
71 "GrStencilAndCoverPathRenderer::onStencilPath"); | 71 "GrStencilAndCoverPathRenderer::onStencilPath"); |
72 SkASSERT(!args.fIsAA || args.fDrawContext->isStencilBufferMultisampled()); | 72 SkASSERT(!args.fIsAA || args.fDrawContext->isStencilBufferMultisampled()); |
73 | 73 |
74 GrPaint paint; | 74 GrPaint paint; |
75 SkSafeUnref(paint.setXPFactory(GrDisableColorXPFactory::Create())); | 75 SkSafeUnref(paint.setXPFactory(GrDisableColorXPFactory::Create())); |
76 paint.setAntiAlias(args.fIsAA); | 76 paint.setAntiAlias(args.fIsAA); |
77 | 77 |
78 GrPipelineBuilder pipelineBuilder(paint, args.fDrawContext->isUnifiedMultisa
mpled()); | 78 const GrPipelineBuilder pipelineBuilder(paint, args.fIsAA); |
79 pipelineBuilder.setState(GrPipelineBuilder::kHWAntialias_Flag, args.fIsAA); | |
80 | 79 |
81 SkASSERT(!args.fPath->isInverseFillType()); | 80 SkASSERT(!args.fPath->isInverseFillType()); |
82 SkAutoTUnref<GrPath> path(get_gr_path(fResourceProvider, *args.fPath, GrStyl
e::SimpleFill())); | 81 SkAutoTUnref<GrPath> path(get_gr_path(fResourceProvider, *args.fPath, GrStyl
e::SimpleFill())); |
83 args.fDrawContext->drawContextPriv().stencilPath(pipelineBuilder, | 82 args.fDrawContext->drawContextPriv().stencilPath(pipelineBuilder, |
84 *args.fClip, | 83 *args.fClip, |
85 *args.fViewMatrix, | 84 *args.fViewMatrix, |
86 path, | 85 path, |
87 path->getFillType()); | 86 path->getFillType()); |
88 } | 87 } |
89 | 88 |
90 bool GrStencilAndCoverPathRenderer::onDrawPath(const DrawPathArgs& args) { | 89 bool GrStencilAndCoverPathRenderer::onDrawPath(const DrawPathArgs& args) { |
91 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), | 90 GR_AUDIT_TRAIL_AUTO_FRAME(args.fDrawContext->auditTrail(), |
92 "GrStencilAndCoverPathRenderer::onDrawPath"); | 91 "GrStencilAndCoverPathRenderer::onDrawPath"); |
| 92 SkASSERT(!args.fPaint->isAntiAlias() || args.fDrawContext->isStencilBufferMu
ltisampled()); |
93 SkASSERT(!args.fStyle->strokeRec().isHairlineStyle()); | 93 SkASSERT(!args.fStyle->strokeRec().isHairlineStyle()); |
94 const SkPath& path = *args.fPath; | 94 const SkPath& path = *args.fPath; |
95 const SkMatrix& viewMatrix = *args.fViewMatrix; | 95 const SkMatrix& viewMatrix = *args.fViewMatrix; |
96 | 96 |
97 SkAutoTUnref<GrPath> p(get_gr_path(fResourceProvider, path, *args.fStyle)); | 97 SkAutoTUnref<GrPath> p(get_gr_path(fResourceProvider, path, *args.fStyle)); |
98 | 98 |
99 if (path.isInverseFillType()) { | 99 if (path.isInverseFillType()) { |
100 static constexpr GrUserStencilSettings kInvertedCoverPass( | 100 static constexpr GrUserStencilSettings kInvertedCoverPass( |
101 GrUserStencilSettings::StaticInit< | 101 GrUserStencilSettings::StaticInit< |
102 0x0000, | 102 0x0000, |
103 // We know our rect will hit pixels outside the clip and the use
r bits will be 0 | 103 // We know our rect will hit pixels outside the clip and the use
r bits will be 0 |
104 // outside the clip. So we can't just fill where the user bits a
re 0. We also need | 104 // outside the clip. So we can't just fill where the user bits a
re 0. We also need |
105 // to check that the clip bit is set. | 105 // to check that the clip bit is set. |
106 GrUserStencilTest::kEqualIfInClip, | 106 GrUserStencilTest::kEqualIfInClip, |
107 0xffff, | 107 0xffff, |
108 GrUserStencilOp::kKeep, | 108 GrUserStencilOp::kKeep, |
109 GrUserStencilOp::kZero, | 109 GrUserStencilOp::kZero, |
110 0xffff>() | 110 0xffff>() |
111 ); | 111 ); |
112 | 112 |
113 // fake inverse with a stencil and cover | 113 // fake inverse with a stencil and cover |
114 { | 114 { |
115 GrPipelineBuilder pipelineBuilder(*args.fPaint, | 115 GrPipelineBuilder pipelineBuilder(*args.fPaint, args.fPaint->isAntiA
lias()); |
116 args.fDrawContext->isUnifiedMultis
ampled()); | |
117 pipelineBuilder.setUserStencil(&kInvertedCoverPass); | 116 pipelineBuilder.setUserStencil(&kInvertedCoverPass); |
118 if (args.fAntiAlias) { | |
119 SkASSERT(args.fDrawContext->isStencilBufferMultisampled()); | |
120 pipelineBuilder.enableState(GrPipelineBuilder::kHWAntialias_Flag
); | |
121 } | |
122 | 117 |
123 args.fDrawContext->drawContextPriv().stencilPath(pipelineBuilder, *a
rgs.fClip, | 118 args.fDrawContext->drawContextPriv().stencilPath(pipelineBuilder, *a
rgs.fClip, |
124 viewMatrix, p, p->g
etFillType()); | 119 viewMatrix, p, p->g
etFillType()); |
125 } | 120 } |
126 | 121 |
127 SkMatrix invert = SkMatrix::I(); | 122 SkMatrix invert = SkMatrix::I(); |
128 SkRect bounds = | 123 SkRect bounds = |
129 SkRect::MakeLTRB(0, 0, | 124 SkRect::MakeLTRB(0, 0, |
130 SkIntToScalar(args.fDrawContext->width()), | 125 SkIntToScalar(args.fDrawContext->width()), |
131 SkIntToScalar(args.fDrawContext->height())); | 126 SkIntToScalar(args.fDrawContext->height())); |
132 SkMatrix vmi; | 127 SkMatrix vmi; |
133 // mapRect through persp matrix may not be correct | 128 // mapRect through persp matrix may not be correct |
134 if (!viewMatrix.hasPerspective() && viewMatrix.invert(&vmi)) { | 129 if (!viewMatrix.hasPerspective() && viewMatrix.invert(&vmi)) { |
135 vmi.mapRect(&bounds); | 130 vmi.mapRect(&bounds); |
136 // theoretically could set bloat = 0, instead leave it because of ma
trix inversion | 131 // theoretically could set bloat = 0, instead leave it because of ma
trix inversion |
137 // precision. | 132 // precision. |
138 SkScalar bloat = viewMatrix.getMaxScale() * SK_ScalarHalf; | 133 SkScalar bloat = viewMatrix.getMaxScale() * SK_ScalarHalf; |
139 bounds.outset(bloat, bloat); | 134 bounds.outset(bloat, bloat); |
140 } else { | 135 } else { |
141 if (!viewMatrix.invert(&invert)) { | 136 if (!viewMatrix.invert(&invert)) { |
142 return false; | 137 return false; |
143 } | 138 } |
144 } | 139 } |
145 const SkMatrix& viewM = viewMatrix.hasPerspective() ? SkMatrix::I() : vi
ewMatrix; | 140 const SkMatrix& viewM = viewMatrix.hasPerspective() ? SkMatrix::I() : vi
ewMatrix; |
146 | 141 |
147 SkAutoTUnref<GrDrawBatch> batch( | 142 SkAutoTUnref<GrDrawBatch> coverBatch( |
148 GrRectBatchFactory::CreateNonAAFill(args.fColor, viewM, bounds,
nullptr, | 143 GrRectBatchFactory::CreateNonAAFill(args.fColor, viewM, bounds,
nullptr, |
149 &invert)); | 144 &invert)); |
150 | 145 |
151 { | 146 { |
152 GrPipelineBuilder pipelineBuilder(*args.fPaint, | 147 GrPipelineBuilder pipelineBuilder(*args.fPaint, |
153 args.fDrawContext->isUnifiedMultis
ampled()); | 148 args.fPaint->isAntiAlias() && |
| 149 !args.fDrawContext->hasMixedSample
s()); |
154 pipelineBuilder.setUserStencil(&kInvertedCoverPass); | 150 pipelineBuilder.setUserStencil(&kInvertedCoverPass); |
155 if (args.fAntiAlias) { | |
156 SkASSERT(args.fDrawContext->isStencilBufferMultisampled()); | |
157 pipelineBuilder.enableState(GrPipelineBuilder::kHWAntialias_Flag
); | |
158 } | |
159 if (args.fDrawContext->hasMixedSamples()) { | |
160 pipelineBuilder.disableState(GrPipelineBuilder::kHWAntialias_Fla
g); | |
161 } | |
162 | 151 |
163 args.fDrawContext->drawBatch(pipelineBuilder, *args.fClip, batch); | 152 args.fDrawContext->drawBatch(pipelineBuilder, *args.fClip, coverBatc
h); |
164 } | 153 } |
165 } else { | 154 } else { |
166 static constexpr GrUserStencilSettings kCoverPass( | 155 static constexpr GrUserStencilSettings kCoverPass( |
167 GrUserStencilSettings::StaticInit< | 156 GrUserStencilSettings::StaticInit< |
168 0x0000, | 157 0x0000, |
169 GrUserStencilTest::kNotEqual, | 158 GrUserStencilTest::kNotEqual, |
170 0xffff, | 159 0xffff, |
171 GrUserStencilOp::kZero, | 160 GrUserStencilOp::kZero, |
172 GrUserStencilOp::kKeep, | 161 GrUserStencilOp::kKeep, |
173 0xffff>() | 162 0xffff>() |
174 ); | 163 ); |
175 | 164 |
176 SkAutoTUnref<GrDrawBatch> batch( | 165 SkAutoTUnref<GrDrawBatch> batch( |
177 GrDrawPathBatch::Create(viewMatrix, args.fColor, p->getFillType(
), p)); | 166 GrDrawPathBatch::Create(viewMatrix, args.fColor, p->getFillType(
), p)); |
178 | 167 |
179 GrPipelineBuilder pipelineBuilder(*args.fPaint, | 168 GrPipelineBuilder pipelineBuilder(*args.fPaint, args.fPaint->isAntiAlias
()); |
180 args.fDrawContext->isUnifiedMultisampl
ed()); | |
181 pipelineBuilder.setUserStencil(&kCoverPass); | 169 pipelineBuilder.setUserStencil(&kCoverPass); |
182 if (args.fAntiAlias) { | 170 if (args.fAntiAlias) { |
183 SkASSERT(args.fDrawContext->isStencilBufferMultisampled()); | 171 SkASSERT(args.fDrawContext->isStencilBufferMultisampled()); |
184 pipelineBuilder.enableState(GrPipelineBuilder::kHWAntialias_Flag); | 172 pipelineBuilder.enableState(GrPipelineBuilder::kHWAntialias_Flag); |
185 } | 173 } |
186 | 174 |
187 args.fDrawContext->drawBatch(pipelineBuilder, *args.fClip, batch); | 175 args.fDrawContext->drawBatch(pipelineBuilder, *args.fClip, batch); |
188 } | 176 } |
189 | 177 |
190 return true; | 178 return true; |
191 } | 179 } |
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